when a power of 310 watts is applied to it, a pulley lifts box a one meter. the same pulley is used to lift box b. when the same amount of power is applied to box b, it is raised two meters. what can you say about the mass of the two boxes? a) the mass of box a is half the mass of box b.
b) the mass of box a is three times the mass of box b.
c) the mass of box a is one–third the mass of box b.
d) the mass of box a is double the mass of box b.

this is an example of "committed" time.

committed time, as contracted time, takes need over essential and available time since it is seen as profitable work. it alludes to the time allotted to keep up a home and family. at the point when a man is commuting using committed time this individual may feel that the drive is an obligation to family, for example, strolling youngsters to class or driving a mate to work. contracted and committed time clients may feel that their commute could really compare to the commute of important or leisure time clients on the grounds that their commute is profitable work. in this manner, they might be more disposed to pick a mechanized method of movement.